BE816703A - Procede de preparation d'une tetramethyl-oxo-piperidine - Google Patents
Procede de preparation d'une tetramethyl-oxo-piperidineInfo
- Publication number
- BE816703A BE816703A BE145745A BE145745A BE816703A BE 816703 A BE816703 A BE 816703A BE 145745 A BE145745 A BE 145745A BE 145745 A BE145745 A BE 145745A BE 816703 A BE816703 A BE 816703A
- Authority
- BE
- Belgium
- Prior art keywords
- tetramethyl
- piperidine
- oxo
- preparing
- Prior art date
Links
- GDJQNGMJGMABLV-UHFFFAOYSA-N 1,3,3,4-tetramethylpiperidin-2-one Chemical compound CC1CCN(C)C(=O)C1(C)C GDJQNGMJGMABLV-UHFFFAOYSA-N 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
- C07D211/02—Preparation by ring-closure or hydrogenation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Hydrogenated Pyridines (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH924173A CH574412A5 (en) | 1973-06-25 | 1973-06-25 | 2,2,6,6-Tetra-methyl-4-oxo-piperidine prepn. - from acetone and ammonia with acid catalyst in two stages with addn. of further acetone in second stage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE816703A true BE816703A (fr) | 1974-12-23 |
Family
ID=4349871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE145745A BE816703A (fr) | 1973-06-25 | 1974-06-21 | Procede de preparation d'une tetramethyl-oxo-piperidine |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE816703A (fr) |
| CH (1) | CH574412A5 (fr) |
| TR (1) | TR17835A (fr) |
| ZA (1) | ZA744005B (fr) |
-
1973
- 1973-06-25 CH CH924173A patent/CH574412A5/de not_active IP Right Cessation
-
1974
- 1974-06-21 BE BE145745A patent/BE816703A/fr not_active IP Right Cessation
- 1974-06-21 ZA ZA00744005A patent/ZA744005B/xx unknown
- 1974-06-24 TR TR17835A patent/TR17835A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ZA744005B (en) | 1975-06-25 |
| TR17835A (tr) | 1976-04-13 |
| CH574412A5 (en) | 1976-04-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: CIBA GEIGY A.G. Effective date: 19920630 |